diff --git a/debian/control b/debian/control
index d93106f..5b2d9c7 100644
--- a/debian/control
+++ b/debian/control
@@ -18,13 +18,12 @@ Build-Depends: 	debhelper (>= 9),
 		libx11-dev,
 		libqt5x11extras5-dev,
                 libgsettings-qt-dev,
-                libqt5svg5-dev,
 Standards-Version: 3.9.5
 Homepage: http://kylinos.cn
 
 Package: yhkylin-backup-tools
 Architecture: any
-Depends: ${misc:Depends},${shlibs:Depends},libqt5widgets5,libqt5gui5,libqt5dbus5,libqt5xml5,libqt5core5a,libblkid1,rsync,squashfs-tools, libkysec, libgsettings-qt-dev,libqt5svg5-dev
+Depends: ${misc:Depends},${shlibs:Depends},libqt5widgets5,libqt5gui5,libqt5dbus5,libqt5xml5,libqt5core5a,libblkid1,rsync,squashfs-tools, libkysec, libgsettings-qt-dev
 Description: YHkylin backup tools
   YHkylin backup tools
 
diff --git a/kybackup/component/myiconbutton.cpp b/kybackup/component/myiconbutton.cpp
index 21c3670..924f780 100755
--- a/kybackup/component/myiconbutton.cpp
+++ b/kybackup/component/myiconbutton.cpp
@@ -4,7 +4,7 @@
 #include <QStyleOptionButton>
 #include <QPainter>
 #include <QApplication>
-#include "imageutil.h"
+// #include "imageutil.h"
 #include "../gsettingswrapper.h"
 
 MyIconButton::MyIconButton(QWidget *parent) :
@@ -57,27 +57,28 @@ void MyIconButton::changePalette(bool checked)
 {
     m_iconButton->setChecked(checked);
     QPalette pal = m_textLabel->palette();
-    QIcon icon = QIcon::fromTheme(m_themeIconName, QIcon(m_defaultIconName));
-    QPixmap pix;
+    // svg格式的图标会自动跟随主题，不需再手动设置像素颜色
+//    QIcon icon = QIcon::fromTheme(m_themeIconName, QIcon(m_defaultIconName));
+//    QPixmap pix;
     if (g_GSettingWrapper.isDarkTheme()) {
         if (checked) {
             pal.setColor(QPalette::ButtonText, this->palette().highlightedText().color());
-            pix = ImageUtil::loadPixmap(icon, QString("black"));
+//            pix = ImageUtil::loadPixmap(icon, QString("black"));
         } else {
             pal.setColor(QPalette::ButtonText, this->palette().windowText().color());
-            pix = ImageUtil::loadPixmap(icon, QString("white"));
+//            pix = ImageUtil::loadPixmap(icon, QString("white"));
         }
     } else {
         if (checked) {
             pal.setColor(QPalette::ButtonText, this->palette().highlightedText().color());
-            pix = ImageUtil::loadPixmap(icon, QString("white"));
+//            pix = ImageUtil::loadPixmap(icon, QString("white"));
         } else {
             pal.setColor(QPalette::ButtonText, this->palette().windowText().color());
-            pix = ImageUtil::loadPixmap(icon, QString("black"));
+//            pix = ImageUtil::loadPixmap(icon, QString("black"));
         }
     }
     m_textLabel->setPalette(pal);
-    m_iconButton->setIcon(pix);
+    //m_iconButton->setIcon(pix);
 }
 
 void MyIconButton::paintEvent(QPaintEvent *event)
diff --git a/kybackup/component/myiconlabel.cpp b/kybackup/component/myiconlabel.cpp
index 2500cb3..7e202cf 100755
--- a/kybackup/component/myiconlabel.cpp
+++ b/kybackup/component/myiconlabel.cpp
@@ -2,7 +2,6 @@
 #include <QHBoxLayout>
 #include <QIcon>
 #include <QApplication>
-#include "imageutil.h"
 #include "circlelabel.h"
 
 MyIconLabel::MyIconLabel(QWidget *parent /*= nullptr*/) :
@@ -39,8 +38,7 @@ void MyIconLabel::setThemeIcon(const QString &themeIconName, const QString &defa
     m_defaultIconName = defaultIconName;
 
     QIcon icon = QIcon::fromTheme(themeIconName, QIcon(defaultIconName));
-    // m_iconLabel->setPixmap(icon.pixmap(QSize(24,24)));
-    m_iconLabel->setPixmap(ImageUtil::loadPixmap(icon, QString("default")));
+    m_iconLabel->setPixmap(icon.pixmap(QSize(24,24)));
 }
 
 void MyIconLabel::setDesplayText(const QString &text)
@@ -56,18 +54,3 @@ void MyIconLabel::setDesplayText(const QString &text)
     }
 }
 
-//void MyIconLabel::changePalette(bool dark)
-//{
-//    QPalette pal(m_textLabel->palette());
-//    QIcon icon = QIcon::fromTheme(m_themeIconName, QIcon(m_defaultIconName));
-//    QPixmap pix;
-//    if (dark) {
-//        pal.setColor(QPalette::WindowText, pal.color(QPalette::HighlightedText));
-//        pix = ImageUtil::loadPixmap(icon, QString("white"));
-//    } else {
-//        pal.setColor(QPalette::WindowText, this->palette().color(QPalette::WindowText));
-//        pix = ImageUtil::loadPixmap(icon, QString("default"));
-//    }
-//    m_textLabel->setPalette(pal);
-//    m_iconLabel->setPixmap(pix);
-//}
diff --git a/kybackup/kybackup.pro b/kybackup/kybackup.pro
index 0f4e713..2a89fa5 100755
--- a/kybackup/kybackup.pro
+++ b/kybackup/kybackup.pro
@@ -1,4 +1,4 @@
-QT += core gui svg
+QT += core gui
 QT += dbus xml
 QT += network
 
@@ -42,7 +42,7 @@ HEADERS += \
     component/circlelabel.h \
     component/clicklabel.h \
     component/hoverwidget.h \
-    component/imageutil.h \
+#    component/imageutil.h \
     component/linelabel.h \
     component/mycheckbox.h \
     component/myfileselect.h \
@@ -87,7 +87,7 @@ SOURCES += \
     component/circlelabel.cpp \
     component/clicklabel.cpp \
     component/hoverwidget.cpp \
-    component/imageutil.cpp \
+#    component/imageutil.cpp \
     component/linelabel.cpp \
     component/mycheckbox.cpp \
     component/myfileselect.cpp \